/Engine/Source/Runtime/InteractiveToolsFramework/Public/SceneQueries/SceneSnappingManager.h
implementations are not required (and may not be able) to support snapping
true if any valid snap target/result was found
virtual bool ExecuteSceneSnapQuery ( const [FSceneSnapQueryRequest](API\Runtime\InteractiveToolsFramework\SceneQueries\FSceneSnapQueryRequest) & Request, [TArray](API\Runtime\Core\Containers\TArray)< [FSceneSnapQueryResult](API\Runtime\InteractiveToolsFramework\SceneQueries\FSceneSnapQueryResult) > & ResultsOut ) const